Orion Apex 127mm Maksutov-Cassegrain Telescope - Used
Used Gear Features:
- This telescope is used in Excellent condition. It has been fully inspected to comply with native expected performance. Only minor signs of cosmetic wear.
- 90 days warranty
- Item is displayed with manufacturer's original picture
Description:
Specifications:
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Optical design: Maksutov-Cassegrain
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Optical diameter: 127mm
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Finder scope lens diameter: 26mm
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Focal length: 1540mm
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Focal ratio: f/12.1
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Eyepieces: Sirius Plossl 25.0mm (1.25")
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Magnification with included eyepieces: 61x
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Resolving power: 0.91arc*sec
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Lowest useful magnification: 18x
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Highest useful magnification: 254x
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Limiting stellar magnitude: 13.2
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Optical quality: Diffraction limited
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Finder scope: 6x26 Correct-image
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Focuser: Internal
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Diagonal degrees: 1.25" 45° Prism Correct-image
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Secondary mirror obstruction: 39mm
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Secondary mirror obstruction by diameter: 31%
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Secondary mirror obstruction by area: 9%
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Mirror coatings/over-coatings: Aluminum & Silicon Dioxide
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Mount type: Optical Tube without Mount
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Astro-imaging capability: Lunar & planetary
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Tube material: Aluminum
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Length of optical tube: 14.5 in.
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Weight, optical tube: 8.6 lbs.